US10550510B2 - Bone cover wrap for packaging bone-in meat products - Google Patents
Bone cover wrap for packaging bone-in meat products Download PDFInfo
- Publication number
- US10550510B2 US10550510B2 US15/162,799 US201615162799A US10550510B2 US 10550510 B2 US10550510 B2 US 10550510B2 US 201615162799 A US201615162799 A US 201615162799A US 10550510 B2 US10550510 B2 US 10550510B2
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- Prior art keywords
- self
- wax
- wrap
- adhesive
- cover wrap
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2275/00—Details of sheets, wrappers or bags
- B65D2275/02—Sheets wrappers or bags provided with protective or puncture resistant patches, specially adapted for meat on the bone, e.g. patch bags
Definitions
- the present disclosure relates to packaging materials for food products such as meat products and, more particularly, to a self-adhesive wrap for protecting meat and preventing puncture by sharp objects such as bones prior to application of a shrink or vacuum bag.
- Bone-in meat cuts frequently have exposed bone portions that may be sharp enough to cut through known wrapping materials, thereby degrading the wrap effectiveness. It is therefore known practice to apply a plastic meat plug or individual bone cover directly to exposed bone surfaces prior to application of a separate meat wrap, vacuum bag, or shrink fit bag.
- the bone plugs are commonly a synthetic resin material
- the bone covers are commonly a woven cloth.
- Many of the known bone covers are made of flexible material to further reduce the risk of puncturing or abrading the meat wrapping material by friction with the bone cover. This practice therefore requires the time and expense of storing and applying the bone covers as an independent step in the meat wrapping process, thereby incurring an undesirable increased cost to the process.
- the wrap product can be used with a variety of meats and can be used on meat items having irregular shapes.
- the method and wrap product of the present disclosure is a self-adhesive protective wrap that militates against puncture by exposed bone while also adhering to a subsequently applied bag that militates against leakage.
- the method for packaging bone-in meat products using a self-adhesive wrap product also provides a protective shield against abrasion during shipping or transportation of meat products.
- the method for packaging bone-in meat products includes providing a bonded, non-woven polypropylene that is impregnated with a wax formulation. These two components together are hydrophobic, strong, flexible, and self-adhesive to the bone-in meat product as well as to a subsequently applied shrink wrap material inner surface. The bone cover wrap does not melt when exposed to temperatures associated with shrink wrapping.
- the wax formulation further creates a sealing barrier to outside conditions and, and is intended to contact and adhere both to itself when wrapped about the perimeter of a bone-in meat cut, and to adhere to a plastic shrink wrap sheet or bag material subsequently applied to the bone wrap.
- the hydrophobic properties of the polypropylene and the wax formulation mean that meat moisture is better retained, which reduces bag leaks from the subsequently applied standard meat packaging shrink wrap components enclosing the bone cover wrap.
- the impregnation of the wax formulation can also form both adhesive and hydrophobic wax layers on both sides of the non-woven polypropylene.
- a method for packaging bone-in meat products uses a self-adhesive wrap that includes a non-woven polypropylene material layer impregnated with a wax formulation.
- the wax formulation includes microcrystalline wax—89%; paraffin wax—10%; and polypropylene glycol—1%.
- a method for manufacturing a self-adhesive wrap product includes a step of immersing a non-woven polypropylene material layer in a heated bath of a wax formulation.
- the wax formulation is caused to impregnate the non-woven material layer and form an impregnated non-woven material layer.
- the impregnated non-woven material layer is then removed from the heated bath.
- An excess amount of the wax formulation is next removed from outer surfaces of the impregnated non-woven material layer.
- the impregnated non-woven material layer is subsequently cooled, and at least one of cut and perforated to form the self-adhesive wrap product.
- a method for packaging bone-in meat products includes wrapping substantially all of the meat product with the self-adhesive bone cover wrap such that the bone cover wrap contacts itself to seal about the meat product.
- FIG. 1 is a perspective view of a self-adhesive bone cover wrap according to one embodiment of the present disclosure, the self-adhesive bone cover wrap provided on a roll;
- FIG. 2 is a fragmentary cross-sectional side elevational view of the self-adhesive bone cover wrap taken along section line 2 - 2 in FIG. 1 ;
- FIG. 3 is a cross-sectional side elevational view of the self-adhesive bone cover wrap depicted in FIG. 1 , and further shown wrapped around and sealing a bone-in product and further contained in a shrink or vacuum bag;
- FIG. 4 is a diagram of a method for manufacturing the self-adhesive bone cover wrap shown in FIG. 1 ;
- FIG. 5 is a diagram of a system for manufacturing the self-adhesive bone cover wrap shown in FIG. 1 .
- the present disclosure includes a method for packaging bone-in meat products using a self-adhesive bone cover wrap 100 providing resistance to puncture and applied to the meat products to include covering exposed bone.
- the self-adhesive bone cover wrap 100 includes a non-woven material layer 102 .
- the non-woven material layer 102 is a polymeric material made from long fibers or filaments, which are entangled and bonded together by at least one of chemical, mechanical, heat, or solvent treatment.
- the polymeric material layer 102 is hydrophobic, and has a porosity that permits an impregnation thereof with a wax formulation which will be described in greater detail further herein.
- the polymeric material layer 102 is formed from synthetic fibers such as polypropylene.
- a pattern of the synthetic fibers may be selected to improve the permeability and maximize wax impregnation of the polypropylene material.
- the polypropylene material has a weight of approximately 1.33 oz./sq. ft., a denier of about 2.75 g per 9000 m, and physical properties as shown below in TABLES 1-4.
- the nonwoven polypropylene material having the physical properties has been observed in practice to absorb less wax than prior art nonwoven polypropylene materials.
- the test data indicates a preferable air permeability of 300-350 cfm, and most preferably an air permeability of about 325 cfm.
- the lower cfm compared to the prior art can be attributed to a finer fiber denier.
- the change in tensile compared to the prior art is due primarily to bond pattern. Higher tensile strength is indicative of the higher percentage of bond pattern.
- Abrasion testing (Martindale Abrasion Test, 10 rotations with pressure of 9 kPa) also shows an improvement relative to the prior art, which helps the bone cover wrap 100 of the disclosure to hold together better during use.
- One of ordinary skill in the art may select other suitable polymeric materials, including a different porosity, permeability, and thickness, for the non-woven material layer 102 , as desired.
- the polypropylene material layer 102 is impregnated with a wax formulation 204 .
- the wax formulation 104 is specially formulated to militate against a transfer of liquid such as water, water vapor, blood, or various liquids present in meat products, from one side of the polypropylene material layer 102 to the other side of the polypropylene material layer 102 .
- the wax formulation 104 of the present disclosure includes microcrystalline wax, propylene glycol, and paraffin wax.
- the microcrystalline wax is a food grade wax, for example.
- the microcrystalline wax adds body to the wax formulation 104 , and behaves as a tackifying agent.
- the microcrystalline wax causes the self-adhesive bone cover wrap 100 to stick to meat products and to itself when wrapped.
- the microcrystalline wax may be used in an amount up to about 89% by weight relative to the total weight of the wax formulation, for example.
- the paraffin wax in the wax formulation 104 reduces the wax formulation viscosity, and is also hydrophobic, and therefor behaves as a water shielding agent.
- the concentration of the paraffin wax in the wax formulation 104 may be up to about 10% by weight relative to the total weight of the wax formulation, for example.
- the wax formulation 104 further includes polypropylene glycol in amount up to about 1% by weight relative to the total weight of the wax formulation.
- the propylene glycol may also be food grade.
- the polypropylene glycol acts as an agent to disperse water and provides anti-microbial effects.
- the wax formulation 104 has an admixture composition substantially as shown in TABLE 5.
- the wax formulation 104 may account for between about 50% and about 90% of the self-adhesive bone cover wrap 100 , by weight relative to the total weight of the self-adhesive bone cover wrap 100 including the non-woven material layer 102 . In a particular embodiment, the wax formulation 104 accounts for approximately 73% of the self-adhesive bone cover wrap 100 , by weight relative to the total weight of the self-adhesive bone cover wrap 100 including the non-woven material layer 102 .
- One of ordinary skill in the art may selective other relative weights for the wax formulation 104 and the non-woven material layer 102 , as desired.
- the non-woven material layer 102 and the impregnated wax formulation 104 defining the bone cover wrap 100 of the present disclosure have a nominal thickness of between 10 mils and 16 mils, and particularly about 13 mils. Other suitable thicknesses for the bone cover wrap 100 may also be selected, as desired.
- the entirety of a bone-in meat product 108 (shown in FIG. 3 ) is wrapped with the self-adhesive bone cover wrap 100 , as described hereinabove.
- the self-adhesive bone cover wrap 100 adheres to itself when overlapped about the bone-in meat product 108 , without requiring any further treatment or adhesives.
- the self-adhesive bone cover wrap 100 militates against leakage of liquid such as blood or water, which are naturally present in the bone-in meat product 108 , from leaking out through the bone cover wrap 100 .
- the present disclosure further includes a method 400 and system 500 for manufacturing the self-adhesive bone cover wrap 100 , for example, as shown in FIGS. 4 and 5 , respectively.
- the method 400 for manufacturing the self-adhesive bone cover wrap 100 may be a continuous or a batch process, as desired.
- an exemplary roll 502 of the non-woven material layer 102 (for example, a polypropylene sheeting) of 300 foot length weighs approximately 2.5 pounds, and including the wax coating weighs approximately 9.25 pounds.
- the method 400 of coating the non-woven material layer 102 with the wax coating can include a step 402 of immersing the non-woven material layer 102 in a heated bath 504 of the wax formulation 104 described hereinabove.
- the source of the non-woven material layer 102 may be in the form of a roll 502 of material, which is unrolled and pulled through the heated bath, for example.
- the wax formulation 104 is caused to impregnate the non-woven material layer 102 and form an impregnated non-woven material layer.
- the temperature of the heated bath 504 is sufficient to lower the viscosity of the wax formulation 104 to a point that facilitates the wax impregnation process.
- the temperature at which the wax formulation is maintained is about 180° F.
- One of ordinary skill in the art may select other suitable temperatures for the heated bath 504 , as desired.
- the wax impregnated non-woven material layer 102 is removed from the heated bath 504 in a step 404 .
- An excess amount of the wax formulation 104 is then removed from outer surfaces of the impregnated non-woven material layer in a step 406 .
- layers of wax remain on the outer surfaces of the non-woven material 102 , for example, as shown in FIG. 1 .
- the existence of the wax layers facilitate the self-adhesion of the bone cover wrap 100 to itself, adhesion to the bone-in meat product 108 , and adhesion to a subsequently applied shrink or vacuum wrap layer 110 (shown in FIG. 3 ) of polymeric material which completes the wrapping process.
- the excess amount of the wax formulation 104 may be removed with a squeegee 506 .
- the device for removing the excess wax material may be configured to simultaneous remove excess wax from both the upper and lower surfaces of the impregnated non-woven material layer 102 , for example.
- Other types of systems for removing the excess amount of the wax formulation 104 are contemplated and considered within the scope of the present disclosure.
- the wax impregnated polypropylene material is cooled to a predetermined temperature in a step 408 .
- the impregnated non-woven material layer 102 may be run through a refrigerator 508 that cools the impregnated non-woven material to a temperature that facilitates a handling of the impregnated non-woven material.
- the predetermined temperature may be approximately room temperature, as a nonlimiting example. A skilled artisan can select any suitable temperature to which to cool the wax impregnated non-woven material layer 102 , as desired.
- the wax impregnated polypropylene material is then cut to form the self-adhesive bone cover wrap 100 , in a step 410 .
- a cutter 510 lateral cuts can be made with a knife, and the wax impregnated non-woven material layer 102 can be cut to a predetermine length.
- the wax impregnated polypropylene material can also be perforated with a plurality of predetermined holes 106 (shown in FIGS. 1 and 2 ).
- the perforation holes 106 may be provided in any predetermined pattern or location, as desired. An end user can then tear along the perforations to create a desired length of the self-adhesive bone cover wrap 100 for a particular application on site.
- the self-adhesive bone cover wrap 100 of the present disclosure is easy to both apply and remove.
- the bone cover wrap 100 is applied externally, for example, to the bone-in meat product 108 , overwrapping such that the bone cover wrap 100 contacts the bone-in meat product 108 or otherwise closely abuts the surfaces of the bone-in meat product 108 .
- the bone cover wrap 100 adheres to itself to stay in place about the perimeter of the bone-in meat product 108 , including at locations where one or more bones may protrude from the bone-in meat product 108 .
- a known vacuum or shrink wrap covering 110 such as a shrink wrap bag, is then applied over the bone cover wrap 100 , with heat then applied to shrink the shrink wrap bag.
- the wax formulation 104 of the bone cover wrap 100 provides for a “dry stick” between the bone-in meat product 108 and to the shrink wrap material 110 .
- the bone cover wrap 100 adheres to an inner surface of the shrink wrap material 110 . This advantageously allows removal of the bone cover wrap 100 at the same time that the shrink wrap material 110 is removed, for example, in the same operation.
Abstract
Description
TABLE 1 | ||||
Physical Property | Minimum | Nominal | Maximum | Units |
Peak Load | 59 | 70.5 | 83 | N |
Elongation @ Peak | 57.5 | 69.5 | 81.5 | % |
Elongation @ Break | 58 | 74 | 90 | % |
Load @33% Elong | 43 | 51 | 59 | N |
Tensile Strain @ 10N Elong | 0.25 | 1.5 | 3.25 | % |
ASTM 5025-95, Machine Direction: 50 mm stripe tensile; 75 mm GL; 300 mm/min pull N/50 mm |
TABLE 2 | ||||
Physical Property | Minimum | Nominal | Maximum | Units |
Peak Load | 92.5 | 109 | 125.5 | N |
Elongation @ Peak | 45.5 | 64.5 | 83.5 | % |
Elongation @ Break | 50.5 | 67 | 83.5 | % |
Load @33% Elong | 77.5 | 86 | 94.5 | N |
Tensile Strain @ 10N Elong | 0.5 | 1.0 | 1.5 | % |
ASTM 5025-95, Cross Direction: 50 mm stripe tensile; 75 mm GL; 300 mm/min pull N/50 mm |
TABLE 3 | ||||
Physical Property | Minimum | Nominal | Maximum | Units |
Basis Weight | 42 | 44.5 | 47 | gsm |
ASTM D3776, Basis Weight |
TABLE 4 | ||||
Physical Property | Minimum | Nominal | Maximum | Units |
Permeability | 300 | 325 | 350 | cfm |
ASTM D737, Air Permeability |
TABLE 5 | |||
Ingredient | Weight Percent | ||
Microcrystalline wax | 89% | ||
Paraffin wax | 10% | ||
Polypropylene glycol | 1% | ||
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/162,799 US10550510B2 (en) | 2015-06-04 | 2016-05-24 | Bone cover wrap for packaging bone-in meat products |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201562170770P | 2015-06-04 | 2015-06-04 | |
US15/162,799 US10550510B2 (en) | 2015-06-04 | 2016-05-24 | Bone cover wrap for packaging bone-in meat products |
Publications (2)
Publication Number | Publication Date |
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US20160355311A1 US20160355311A1 (en) | 2016-12-08 |
US10550510B2 true US10550510B2 (en) | 2020-02-04 |
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US15/162,799 Active 2038-06-02 US10550510B2 (en) | 2015-06-04 | 2016-05-24 | Bone cover wrap for packaging bone-in meat products |
Country Status (4)
Country | Link |
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US (1) | US10550510B2 (en) |
BR (1) | BR112017024513A2 (en) |
MX (1) | MX2017013926A (en) |
WO (1) | WO2016196075A1 (en) |
Families Citing this family (1)
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CN110527489A (en) * | 2019-08-28 | 2019-12-03 | 浙江固特热熔胶有限公司 | A kind of general picture and text glue of back side |
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2016
- 2016-05-24 US US15/162,799 patent/US10550510B2/en active Active
- 2016-05-24 MX MX2017013926A patent/MX2017013926A/en unknown
- 2016-05-24 BR BR112017024513A patent/BR112017024513A2/en not_active Application Discontinuation
- 2016-05-24 WO PCT/US2016/033886 patent/WO2016196075A1/en active Application Filing
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WO2016196075A1 (en) | 2016-12-08 |
US20160355311A1 (en) | 2016-12-08 |
BR112017024513A2 (en) | 2018-07-24 |
MX2017013926A (en) | 2018-03-22 |
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